Siemens ST750 - Expansion I;O Card

Mobility and Logistics, Traffic Solutions
Sopers Lane, Poole, Dorset, BH17 7ER
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Page
60 of 73
Version 008
Status
Released
Last Editor Nathan Fearnhead
Date
16/06/2017
Document Name Configuration Control
Document No.
667/CC/32750/000
Copyright © Mobility 2017. All Rights Reserved. Mobility is a division of Siemens Plc
Figure 67 Figure 68
CPU PCB Phase Drive PCB
4.2.4 Expansion I/O Card
With reference to Figure 69, the Expansion I/O Card (P/N 667/1/27003/000) is mounted within
the ST750LV Rack Assembly. PLA on the I/O Expansion Card, the Extended System Bus, is
connected to PL11 on the CPU PCB. The additional outputs, provided by the Expansion I/O
Card, are delivered through PLB and PLC. The additional inputs, provided by the I/O Expansion
Card, are applied via PLD and PLE. The I/O Expansion PCB should be ordered as an addition
item.
Figure 69
I/O Expansion Card
I/O Expansion
Card